-
-
Save mrofi/374ff5629ebd19edc80515c7cd06884f to your computer and use it in GitHub Desktop.
Bash Script to backup all MySQL databases
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| #============================================================================== | |
| #TITLE: mysql_backup.sh | |
| #DESCRIPTION: script for automating the daily mysql backups on development computer | |
| #AUTHOR: tleish | |
| #DATE: 2013-12-20 | |
| #VERSION: 0.4 | |
| #USAGE: ./mysql_backup.sh | |
| #CRON: | |
| # example cron for daily db backup @ 9:15 am | |
| # min hr mday month wday command | |
| # 15 9 * * * /Users/[your user name]/scripts/mysql_backup.sh | |
| #RESTORE FROM BACKUP | |
| #$ gunzip < [backupfile.sql.gz] | mysql -u [uname] -p[pass] [dbname] | |
| #============================================================================== | |
| # CUSTOM SETTINGS | |
| #============================================================================== | |
| # directory to put the backup files | |
| BACKUP_DIR=/Users/[your user name]/backup | |
| # MYSQL Parameters | |
| MYSQL_UNAME=root | |
| MYSQL_PWORD= | |
| # Don't backup databases with these names | |
| # Example: starts with mysql (^mysql) or ends with _schema (_schema$) | |
| IGNORE_DB="(^mysql|_schema$)" | |
| # include mysql and mysqldump binaries for cron bash user | |
| PATH=$PATH:/usr/local/mysql/bin | |
| # Number of days to keep backups | |
| KEEP_BACKUPS_FOR=30 #days | |
| #============================================================================== | |
| # METHODS | |
| #============================================================================== | |
| # YYYY-MM-DD | |
| TIMESTAMP=$(date +%F) | |
| function delete_old_backups() | |
| { | |
| echo "Deleting $BACKUP_DIR/*.sql.gz older than $KEEP_BACKUPS_FOR days" | |
| find $BACKUP_DIR -type f -name "*.sql.gz" -mtime +$KEEP_BACKUPS_FOR -exec rm {} \; | |
| } | |
| function mysql_login() { | |
| local mysql_login="-u $MYSQL_UNAME" | |
| if [ -n "$MYSQL_PWORD" ]; then | |
| local mysql_login+=" -p$MYSQL_PWORD" | |
| fi | |
| echo $mysql_login | |
| } | |
| function database_list() { | |
| local show_databases_sql="SHOW DATABASES WHERE \`Database\` NOT REGEXP '$IGNORE_DB'" | |
| echo $(mysql $(mysql_login) -e "$show_databases_sql"|awk -F " " '{if (NR!=1) print $1}') | |
| } | |
| function echo_status(){ | |
| printf '\r'; | |
| printf ' %0.s' {0..100} | |
| printf '\r'; | |
| printf "$1"'\r' | |
| } | |
| function backup_database(){ | |
| backup_file="$BACKUP_DIR/$TIMESTAMP.$database.sql.gz" | |
| output+="$database => $backup_file\n" | |
| echo_status "...backing up $count of $total databases: $database" | |
| $(mysqldump $(mysql_login) $database | gzip -9 > $backup_file) | |
| } | |
| function backup_databases(){ | |
| local databases=$(database_list) | |
| local total=$(echo $databases | wc -w | xargs) | |
| local output="" | |
| local count=1 | |
| for database in $databases; do | |
| backup_database | |
| local count=$((count+1)) | |
| done | |
| echo -ne $output | column -t | |
| } | |
| function hr(){ | |
| for i in {1..100};do echo -n =;done | |
| echo "" | |
| } | |
| #============================================================================== | |
| # RUN SCRIPT | |
| #============================================================================== | |
| delete_old_backups | |
| hr | |
| backup_databases | |
| hr | |
| printf "All backed up!\n\n" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Borrowed you rev of this as I needed to specify the host and port (vs. the default socket in the original)/
THanks!